參數(shù)資料
型號： ZL30101QDC
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 通信及網絡
英文描述： T1/E1 Stratum 3 System Synchronizer
中文描述： SPECIALTY TELECOM CIRCUIT, PQFP64
封裝： 10 X 10 MM, 1 MM HEIGHT, MS-026ACD, TQFP-64
文件頁數(shù)： 14/34頁
文件大小： 534K
代理商： ZL30101QDC
ZL30101
Data Sheet
14
Zarlink Semiconductor Inc.
Figure 7 - Timing Diagram of Hitless Mode Switching
Examples:
HMS=1
: When 10 Normal to Holdover to Normal mode transitions occur and in each case the Holdover mode was
entered for 2 seconds, then the accumulated phase change (MTIE) could be as large as 330 ns.
-
Phase
holdover_drift
= 0.01 ppm x 2 s = 20 ns
Phase
mode_change
= 0 ns + 13 ns = 13 ns
Phase
10 changes
= 10 x (20 ns + 13 ns) = 330 ns
where:
-
-
-
0.01 ppm is the accuracy of the Holdover mode
-
0 ns is the maximum phase discontinuity in the transition from the Normal mode to the Holdover mode
REF
Phase drift in Holdover mode
HMS = 0
Normal mode
Return to Normal mode
REF
Output
Clock
REF
Output
Clock
REF
Output
Clock
Phase drift in Holdover mode
Normal mode
Return to Normal mode
Output
Clock
REF
Output
Clock
REF
Output
Clock
HMS = 1
TIE_CLR=0
REF
Output
Clock
TIE_CLR=0
REF
Output
Clock
相關PDF資料
PDF描述
ZL30102QDG1 T1/E1 Stratum 4/4E Redundant System Clock Synchronizer for DS1/E1 and H.110
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相關代理商/技術參數(shù)
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ZL30101QDG1 制造商:Microsemi Corporation 功能描述:SYS SYNCHRONIZER 64TQFP - Trays
ZL30102 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:T1/E1 Stratum 4/4E Redundant System Clock Synchronizer for DS1/E1 and H.110
ZL30102_05 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:T1/E1 Stratum 4/4E Redundant System Clock Synchronizer for DS1/E1 and H.110
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ZL30102QDG1 制造商:Microsemi Corporation 功能描述:PB FREE T1/E1 SYSTEM SYNCHRONIZER - Trays 制造商:Zarlink Semiconductor Inc 功能描述:PB FREE T1/E1 SYSTEM SYNCHRONIZER - Trays
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